#"let the two endpoints of the segment AB be A(x,y) and B(8,9)."#
#"We can calculate the other end A(x,y),if The midpoint of the"# #"segment is known."#
#"we can use the formula Midpoint"=((x+8)/2,(y+9)/2)#
#"to calculate the midpoint of segment AB."#
#5=(x+8)/2#
#10=x+8#
#x=10-8#
#x=2#
#6=(y+9)/2#
#12=y+9#
#y=12-9#
#y=3#
#"We have found the unknown other end of the segment."#
#A(x,y)rArrA(2,3)#
#"answer to your question."#
#10=(A_x+x)/2#
#10=(-8+x)/2#
#20=-8+x#
#x=20+8#
#x=28" the x coordinate of the other endpoint"#
#7=(A_y+y)/2#
#7=(-10+y)/2#
#14=-10+y#
#y=14+10#
#y=24" the y coordinate of the other endpoint."#
#B(28,24)#